1. Laakso T.I., Valimaki V., Karjalainen M., Laine U.K.: Splitting the unit delay: tool for fractional delay filter design. In: IEEE Signal Process. Mag. 13(1), 30–60 (1996)
2. Murphy, P., Krukowski, A., Tarczynski, A.: An efficient fractional sampler delayer for digital beam steering. In: Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing, pp. 2245–2248. Munich, Germany, April 21–24 (1997)
3. Vesma, J., Saramiki, T.: Interpolation filters with arbitrary frequency response for all-digital receivers. In: Proceedings of IEEE International Symposium on Circuits Systems, pp. 568–571. Atlanta, GA, USA, May 12–15 (1996)
4. Olsson, M., Johansson H., Lowenborg, P. : Delay Estimation using adjustable fractional delay all-pass filters. In: Proceedings of 7th Nordic Signal Processing Symposium, pp. 346–349. Reykjavík, Iceland, June 7–9 (2006)
5. Välimäki, V., Lehtonen, H-M., Laakso, T.I.: Musical signal analysis using fractional delay inverse comb filters. In: Proceedings of 10th International Conference on Digital Audio Effects, pp. 261–268. Bordeaux, France, September 10–15 (2007)